{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41646",
    "entityType": "User",
    "nonce": "0x3d4e1318ba85c12276daba4a9a69ce0babb56b1087d44072d8bb4af3f2f83642",
    "signature": "0x04406af2d7baaf45d65a28a41b6c866fe8a2eb2750a863dc150c0f4bc113d2a263bed8adcce277ccb9feb0864c3af9dea5c51d828468d6e1d52280d93d33e7311b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}