{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "445042807",
    "entityType": "User",
    "nonce": "0x61c17a6b9dc79f3fd1caa9ee1e700c138141eb56b244758c6b2db6e3014ad2f6",
    "signature": "0x8c0da96d3f15c2a2a3582ee1d600cff30084056092336d4bb6634feeb61b88521008fd5fcc87c52d8fbac9cc4255e155830095c161d2037e5a5841184fe6989f1b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}