{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42614",
    "entityType": "User",
    "nonce": "0x46e4c55c624e19439b564007098a54d3b6ace1c51ec56401aad45203d26fe8bd",
    "signature": "0xdb9c40ca4bc069213fd17e6030c6f2e91387de2b0409c80c5928f68cd0d8fedc7cb1f6758b2f02b3a2646353faf873103effc695b4ed4838ec7115b3688d1d9e1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}