{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241110",
    "entityType": "User",
    "nonce": "0x0491a724e070d8cca559b02415dad44f3ee43136341c80e8c49cc5590422ea60",
    "signature": "0x3dc9e270f54e7bab0adccc1cda23849f524c34a9cd7f7034ba6d1f6f686f717d369878c9a519cba7f4f1bc080dedfd64f7caa15ca4bab2f6a1d84fdfa9141a381b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}