{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42614",
    "entityType": "User",
    "nonce": "0x980374db6fee1c173eef892be7fe69f743f6baaf8ada16cc5715d79b15fb491d",
    "signature": "0xaee810319324c1cfbbe8dba482ba817a72e878a5753e01780b1c67a2cd9dd50f2b28b270b1df1dd92fbd92530f3ae0d63bd0a61e8bac0c651aa6f135513954431c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}