{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79556",
    "entityType": "User",
    "nonce": "0x42bf5e0086e1a9a793983c422519b1e668b344dd2d862d901741234ecd1eacb4",
    "signature": "0x3ddda17be2fdf8bd5193bcbf4de96f12a7707cb17f5f504fe51a2955146b3f5b0ffe12688b69bf8f9c48f9530ef2c40cfaa2afa7e1f999f9c962e9079600e2671c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}