{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2029295",
    "entityType": "User",
    "nonce": "0xc22469c5df2154de9da12bd6a414b2784e2d1aa9018eb63ac3026192c3c6a9bc",
    "signature": "0xb01508e43ae3aaf06b022e1a314fa335ee8a0cc4c5bc4a420d5e95f752e8367f4b312e6c7b546dc2ad632a001ef8e8c7902ce29e832dfa3473beab01d0c078621c",
    "signer": "0xFEa2c41d314209186e519b7539c0FcBDa1F9f00C",
    "userId": "51657002"
  }
}