{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0xf32da90d9810f0e251bd1247114cefac5f16a2e5154e21f872523e4a87d5cc1d",
    "signature": "0x1f0a0fbf2e83d6345f15ff479888735b0ede5a1f8b29da4716f9a92c933f44ff0e1e6a42b2cf223dd143c72df64969a5c8251e5e59456f6155c2e790848d5f3d1c",
    "signer": "0xe1EBB2b0eed447a94b95294C357cc71235152A13",
    "userId": "888593291"
  }
}