{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183245",
    "entityType": "User",
    "nonce": "0x491270fb5c11d940cad68b51ca992bf785c2bdd0d5f15d76e9b5ac57ac3bcbe3",
    "signature": "0x7167c6ea4b0663ed958b7b1d563290be797455f5532ca3fdb20256d0ab65457619104b7d4897ef19f726b12aa70311bc632ea0fdbdf99455451dcb7cf819cb611b",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}