{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61913",
    "entityType": "User",
    "nonce": "0x41b21b02c1d5a598a4eb56cec19e1a908439b3e0ca8ebe00fa5f66ab9274a722",
    "signature": "0x3739cf4b4fbb68f3d0b1347819b5caadf5c32cd32b9ac91a18ac08c3a470983f2ef4491dd3f8af074c0395837f5f963aa772ec8e3648ef7204b6216db11790571b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}