{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x6bc746df244e51fdb38ffd759d011ff3bbb229120de3cf3f0e2fa82d825067fe",
    "signature": "0x01f7591bd6a2df5545f066c0b369cedbdb7b6ef5d078c77917077aaae8d89f153015820de74d2541d9ef8eec36f3b2d9a70700c5d8a9b0d928d5e45ab82958141c",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}