{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29216",
    "entityType": "User",
    "nonce": "0x7daa9b533b2697a5a8d7edd44cbbcb7155e75018976f9947ef6ae98cd2719d65",
    "signature": "0x397581a744ac8f1ddeb3cb5fd602ddb5e1367863bb5609b1a5c21611e151932f3a95af9a552185b03e1ecc80a2f77bc1eea5bde31ad4a29398508c46961ceab71b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}